Intergranular Cracking

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Raw Material Condition: Hydrogen Capture method: Optical Microscope clear all

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Micrographic detail of an intergranular secondary crack (adjacent to the broken surface) propagating from the hard chromium layer.
75
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ML00081 / Aug.2017
Hydrogen Cracking of a Chromium Plated Carburized Pin
M - Low Alloy for Thermochemical TreatmentP - Chromium PlatedAp - AutomotiveCd - Hydrogen Embrittlement
Cm - Nital Etched Micrography by OMDf - Intergranular Cracking
Micrographic detail of a longitudinal section of the connector, at the fracture surface (in the top), showing intergranular secondary cracks.
54
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ML00078 / Jun.2017
Hydrogen Cracking of IN 718 Subsea Connector
M - NiCrFe AlloyP - ForgingAp - SubseaCd - Hydrogen Embrittlement
Cm - Kalling Etched Micrography by OMDf - Intergranular Cracking